Electro Harmonix 22500 Dual Stereo Looper, Stereo Looper, Compact design, Extensive functionality, Intuitive interface, Records high-quality, non-compressed audio data directly onto a SDHC-card (4 to 32 GB, 8 GB card for up to 12 hours of recording time is included), Each card can store up to 100 individual loops, Dual stereo loops with independent or fixed loop lengths, Sequential loop mode allows switching between verse/chorus, Parallel looping mode allows simultaneous playback of two loops, 16 Built-in drum loops, Microphone input with phantom power, Reverse and Octave functions, Undo or redo your last overdub or recording, Quantize or Non-Quantize (free running) modes, The USB port enables backup/restore of data on Mac or PC, Programmable third foot switch for stop or tap tempo, Power supply 9.6 V DC 500 mA (power supply unit is included), Dimensions (W x L x H): 146 x 121 x 64 mm, Additional loop up/down foot controller available (not included, article nr #369322#)